Serving 1,611 students in grades 9-12, Chelsea High School ranks in the bottom 50% of all schools in Massachusetts for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 29% (which is lower than the Massachusetts state average of 41%). The percentage of students achieving proficiency in reading/language arts is 30% (which is lower than the Massachusetts state average of 44%).
The student:teacher ratio of 15:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 95% of the student body (majority Hispanic), which is higher than the Massachusetts state average of 46% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 1,611 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 95%
- Graduation Rate: 76% (Btm 50% in MA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 29% (Btm 50%)
- Reading Proficiency: 30% (Btm 50%)
- Science Proficiency: 28% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Chelsea High School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Most improved public schools
Percent Eligible For Free Lunch
School Overview
Chelsea High School's student population of 1,611 students has grown by 18% over five school years.
The teacher population of 110 teachers has declined by 7% over five school years.
School Type
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
1,611 students
Gender %
Total Classroom Teachers
110 teachers
Students by Grade
School Rankings
Chelsea High School ranks within the bottom 50% of all 1,631 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Chelsea High School is 0.21, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1202 out of 1631 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
29%
41%
Reading/Language Arts Test Scores (% Proficient)
30%
44%
Science Test Scores (% Proficient)
28%
44%
Student : Teacher Ratio
15:1
12:1
American Indian
n/a
n/a
Asian
1%
7%
Hispanic
89%
24%
Black
4%
10%
White
5%
54%
Hawaiian
n/a
n/a
Two or more races
1%
5%
All Ethnic Groups
Graduation Rate
76%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
69%
35%
Eligible for Reduced Lunch
7%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Chelsea High School's ranking?
Chelsea High School is ranked #1202 out of 1,631 schools, which ranks it among the bottom 50% of public schools in Massachusetts.
What percent of students have achieved state testing proficiency in math and reading?
29% of students have achieved math proficiency (compared to the 41% MA state average), while 30% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Chelsea High School?
The graduation rate of Chelsea High School is 76%, which is lower than the Massachusetts state average of 90%.
How many students attend Chelsea High School?
1,611 students attend Chelsea High School.
What is the racial composition of the student body?
89% of Chelsea High School students are Hispanic, 5% of students are White, 4% of students are Black, 1% of students are Asian, and 1% of students are Two or more races.
What is the student:teacher ratio of Chelsea High School?
Chelsea High School has a student ration of 15:1, which is higher than the Massachusetts state average of 12:1.
What grades does Chelsea High School offer ?
Chelsea High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Chelsea High School part of?
Chelsea High School is part of Chelsea School District.
School Reviews
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